We are grateful to Dr. Simon Rayner for critical reading of the manuscript, and to Miss Sisi Liu and Mr. Zhu Xiaoyang for their technical assistances. The project was supported by a 973 project ( 2009CB118902 ).
机构署名：
本校为其他机构
院系归属：
生命科学与技术学院
摘要：
The occurrences of Bacillus cereus group strains in 40 ice cream samples were investigated. Among 109 isolated B. cereus group strains confirmed by 16S rDNA sequence analysis only 50 were identified as B. cereus and one as B. thuringiensis by using FDA (U.S. Food and Drug Administration) standard, indicating the two identification standards were highly inconsistent. Furthermore, the psychrotolerant growth properties and the occurrence of specific psychrotolerant genes of the isolates were also studied. Both psychrotolerant 16S rDNA fragments an...
